CN216351410U - Indoor multi-core miniature optical cable - Google Patents

Abstract

The utility model provides a miniature optical cable of indoor multicore, relates to optical fiber technology field, and including the shell, the phosphating steel wire is equipped with in the shell, and the inside inner shell that is equipped with of shell is provided with the buffer layer between shell and the inner shell, and the inside waterproofing layer that is equipped with of inner shell, the inside fixed establishment that is equipped with of waterproofing layer, the inside mutually perpendicular of fixed establishment are equipped with two baffles, with four cavities of fixed establishment inside being divided into, the cavity is inside to be fixed with the fibre core respectively. The fixing mechanism and the optical fiber are disassembled by mutual sliding between the limiting block and the arc-shaped groove, so that the fixing mechanism and the optical fiber are convenient to separate quickly and the multi-core optical cable is convenient to maintain; the optical fiber is effectively limited through the arc-shaped groove, so that the optical fiber is prevented from moving in the using process, and the stability of the device is improved; the silica gel of setting in the cavity can avoid the optical cable electric leakage to take place danger, security when can improving the multicore cable and use has promoted the practicality of multicore cable, and the buffer layer of setting can reduce the degree of wear of multicore cable, effectively protects the multicore cable, and the practicality is stronger.

Description

Indoor multi-core miniature optical cable

Technical Field

The utility model belongs to the technical field of optical fibers, and particularly relates to an indoor multi-core miniature optical cable.

Background

With the gradual maturity of optical fiber technology and the increasing ability of people to acquire information, the future development trend of optical fiber to home is achieved. The multi-core optical cable is characterized in that a plurality of fiber cores exist in a common cladding region, and due to the mutual approaching degree of the fiber cores, the multi-core optical cable has two functions, namely, the fiber cores are large in interval, namely, an optical coupler structure is not generated; since the optical cable can increase the integration density per unit area of a transmission line, it can be made into a ribbon optical cable having a plurality of cores in optical communication, while in the non-communication field, as an optical cable image bundle, there are many thousands of cores; and secondly, the distance between fiber cores is short, and the optical wave coupling effect can be generated.

However, the existing indoor multi-core optical cable is difficult to separate the outer wall of the optical cable from the optical fiber part, so that when the outer wall of the optical cable is damaged, only the whole optical cable can be replaced or the optical cable can be separated more complexly and then be welded again, which takes long time and has high cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an indoor multi-core miniature optical cable, which is used for solving the following technical problems:

the existing indoor multi-core optical cable is difficult to separate the outer wall of the optical cable from the optical fiber part, so that when the outer wall of the optical cable is damaged, the optical cable can only be integrally replaced or more complicated separation and then fusion splicing are carried out, the consumed time is long, and the cost is high.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a miniature optical cable of indoor multicore, includes the shell, set up two centrosymmetric's through-hole on the shell, two the inside bonderizing steel wire that all is equipped with of through-hole, the inside inner shell that is equipped with of shell, be provided with the buffer layer between shell and the inner shell, the inside waterproofing layer that is equipped with of inner shell, the waterproofing layer inner wall is equipped with a plurality of arc wall, a plurality of the arc wall is angular distribution such as inner shell center, the inside fixed establishment that is equipped with of waterproofing layer, waterproofing layer and fixed establishment sliding connection, the butt fusion of fixed establishment outer wall has a plurality of stopper, a plurality of the stopper is angular distribution such as fixed establishment center, the inside mutually perpendicular of fixed establishment is equipped with two baffles, two the baffle will fixed establishment is inside to be divided into four cavities, four the cavity is inside to be fixed with the fibre core respectively.

Furthermore, the limiting block is matched with the arc-shaped groove.

Furthermore, the number of the limiting blocks and the number of the arc-shaped grooves are at least three, so that the fixing mechanism and the waterproof layer are more stable.

Furthermore, silica gel is filled in the cavity, so that the optical fiber can be fixed in the cavity, and the waterproof layer can be effectively waterproof under the condition of fracture.

Furthermore, the number of the fiber cores in any cavity is at least one and at most three, and four-core, eight-core and twelve-core optical fibers are correspondingly manufactured respectively.

Further, the diameter of the phosphated steel wire is not less than 0.5mm and not more than 0.7mm, so that the optical fiber has certain bending performance and is not easy to deform.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixing mechanism and the fiber core are disassembled by mutual sliding between the limiting block and the arc-shaped groove, so that the fixing mechanism and the fiber core are convenient to separate quickly, the multi-core optical cable is convenient to maintain, and the multi-core optical cable fixing device is simple to operate and convenient to use.

2. The optical fiber is effectively limited through the arc-shaped groove, so that the optical fiber is prevented from moving in the using process, the practicability of the device is improved, and the device is convenient for workers to use.

3. The silica gel arranged in the cavity can avoid the danger of electric leakage of the optical cable, improve the safety of the multi-core cable in use and improve the practicability of the multi-core cable, the arranged buffer layer can reduce the abrasion degree of the multi-core cable, the water blocking layer can effectively prevent moisture in the air from damaging the optical fiber, the multi-core cable is effectively protected, and the practicability is strong.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural diagram of an indoor multi-core micro optical cable;

fig. 2 is a schematic perspective view of an indoor multi-core micro optical cable.

In the figure: 1. a housing; 2. a buffer layer; 3. an inner shell; 4. a water resistant layer; 5. a fixing mechanism; 6. a limiting block; 7. a fiber core; 8. phosphating the steel wire; 9. silica gel; 10. an arc-shaped groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in the embodiment of the utility model, an indoor multi-core micro optical cable comprises an outer shell 1, wherein two through holes are formed in the outer shell 1, the centers of the through holes are symmetrically provided with phosphating steel wires 8, an inner shell 3 is arranged inside the outer shell 1, a buffer layer 2 is arranged between the outer shell 1 and the inner shell 3, a water-blocking layer 4 is arranged inside the inner shell 3, the inner wall of the water-blocking layer 4 is provided with a plurality of arc-shaped grooves 10, the arc-shaped grooves 10 are distributed at equal angles with respect to the center of the inner shell 3, a fixing mechanism 5 is arranged inside the water-blocking layer 4, the water-blocking layer 4 is connected with the fixing mechanism 5 in a sliding manner, a plurality of limiting blocks 6 are welded on the outer wall of the fixing mechanism 5, the limiting blocks 6 are distributed at equal angles with respect to the center of the fixing mechanism 5, two partition plates are vertically arranged inside the fixing mechanism 5, and divide the inside of the fixing mechanism 5 into four chambers, fiber cores 7 are respectively fixed in the four chambers.

In order to provide better insulation for the optical cable, in the present invention, the housing 1 is made of thermoplastic polyolefin material.

Specifically, the buffer layer 2 may be a double-layer antirust coated steel strip, or may be a spiral metal strip, and is not limited to a specific buffer material.

Specifically, the water-blocking layer 4 is made of a liquid crystal high polymer material.

In order to facilitate disassembly, the limiting block 6 is matched with the arc-shaped groove 10.

Specifically, when disassembly is required, the fixing mechanism 5 and the fiber core 7 can be directly pushed out of the arc-shaped groove 10, and quick separation is realized.

Specifically, the number of the limiting blocks 6 and the arc-shaped grooves 10 is at least three, so that the fixing mechanism 5 and the waterproof layer 4 are more stable.

Specifically, the cavity is filled with silica gel 9, so that the optical fiber can be fixed inside the cavity, and the waterproof layer 4 can be effectively prevented from being broken.

Specifically, the number of the fiber cores 7 in any one cavity is at least one and at most three, and four-core, eight-core and twelve-core optical fibers are manufactured correspondingly.

Specifically, the diameter of the phosphated steel wire 8 is not less than 0.5mm and not more than 0.7mm, so that the optical fiber has certain bending performance and is not easy to deform.

The working principle of the utility model is as follows: the fixing mechanism 5 and the fiber core 7 are disassembled by mutual sliding between the limiting block 6 and the arc-shaped groove 10, so that the quick separation is convenient, the maintenance of the multi-core optical cable is convenient, the operation is simple, and the use is convenient; the optical fiber is effectively limited through the arc-shaped groove 10, so that the optical fiber is prevented from moving in the use process, the practicability of the device is improved, and the device is convenient for workers to use; can avoid the optical cable electric leakage to take place danger through the silica gel 9 that sets up in the cavity, security when can improving the multicore cable and use has promoted the practicality of multicore cable, and the buffer layer 2 of setting can reduce the degree of wear of multicore cable, water blocking layer 4 can prevent effectively that moisture in the air from causing the damage to the optic fibre, effectively protects the multicore cable, and the practicality is stronger.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides a miniature optical cable of indoor multicore, includes shell (1), its characterized in that:

the outer shell (1) is provided with two centrosymmetric through holes, phosphating steel wires (8) are arranged in the two through holes, an inner shell (3) is arranged in the outer shell (1), a buffer layer (2) is arranged between the outer shell (1) and the inner shell (3), a water-blocking layer (4) is arranged in the inner shell (3), the inner wall of the water-blocking layer (4) is provided with a plurality of arc-shaped grooves (10), the arc-shaped grooves (10) are distributed at equal angles relative to the center of the inner shell (3), a fixing mechanism (5) is arranged in the water-blocking layer (4), the water-blocking layer (4) is in sliding connection with the fixing mechanism (5), the outer wall of the fixing mechanism (5) is welded with a plurality of limiting blocks (6), the limiting blocks (6) are distributed at equal angles relative to the center of the fixing mechanism (5), and two partition plates are arranged in the fixing mechanism (5) in a mutually vertical mode, the two partition plates divide the interior of the fixing mechanism (5) into four chambers, and fiber cores (7) are respectively fixed in the four chambers.

2. An indoor multicore miniature cable of claim 1, wherein, the stopper (6) is adapted with the arc-shaped groove (10).

3. An indoor multicore miniature cable of claim 2, wherein the number of stopper (6) and arc-shaped groove (10) is at least three.

4. An indoor multicore miniature optical cable of claim 1, wherein, the cavity is filled with silica gel (9) inside.

5. An indoor multicore miniature optical cable of claim 1, characterized in that, the quantity of fibre cores (7) in any one said chamber is at least one, and at most three.

6. An indoor multicore micro optical cable according to claim 1, characterized in that, the diameter of phosphorized steel wire (8) is not less than 0.5mm, not more than 0.7 mm.

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